Posts Categorized: Pythian

Liveblogging at OSCON Data: MongoDB Schema Design

Dwight Merriman gives “MongoDB Schema Design” at OSCon Data 2011. @dmerr   RDBMS / MongoDB relational / document-oriented database / database table / collection row / JSON (BSON) document index / index column / field (dynamic/not predeclared) SQL / Mongo query language (JSON) Join / Embedding & Linking Primary Key / _id field   Schema…

Liveblogging at OSCON Data: Drizzle, Virtualizing and Scaling MySQL for the Future

Brian Aker presents “Drizzle, Virtualizing and Scaling MySQL for the Future” at OSCon Data 2011 #drizzle @brianaker 2005 MySQL 5.0 released – web developers wanted tons of features that were not in the release (making replication better for instance) 2008 Sun buys MySQL 2008 MySQL 6.0 is forked to become Drizzle 2009…

Pythian Tools: Method R Profiler, MR Tools & MR Trace

With this blog post I’d like to start sharing a series of posts which I wanted to call “Pythian Recommended Tools”. After some thought, I decided to remove “recommended” Strictly speaking, this blog must have covered bunch of tools in the past but this time I’ll emphasize the tools that I really like and see widely used at Pythian. OK. Introduction is over.

Log Buffer #230, A Carnival of the Vanities for DBAs

Once again this week, you are holding the new edition of Log Buffer in your hands. From across the database planet, fresh and sizzling blog posts of Oracle, SQL Server and MySQL are presented just for you in Log Buffer #230. Enjoy and give your feedback in the comments.

Video: High Performance Search with BlackRay Data Engine

I realized yesterday that I never did finish putting up the videos from this year’s Open Database Camp back in May, so I’m working on finishing that in the next few weeks. Today I put up High Performance Search with BlackRay Data Engine – Felix Schupp.  The slides are on the web at, and the video…

Why We Need the Bugs Database to Stay Public

There are been many non-quantifiable (but valid) reasons why the bugs database at should remain open and have as many bugs open to the public as possible.  However, while researching an article recently I uncovered a simple, concrete reason why the bugs database needs to stay as open as possible: So we know when to…

Log Buffer #229, A Carnival of the Vanities for DBAs

Blogs are not just yet another piece of writing. They are the manifestation of passion, perfection and purity of love towards the community. Bloggers take immense pride in sharing what they know or want to know in their blog posts, and that enables the community to respond by learning or by teaching. Log Buffer is a way to appreciate this passion, and Log Buffer #229 is yet another example of that.

Liveblogging: Indexing in Cassandra by Ed Anuff

Indexing in Cassandra First, a brief history: Cassandra 0.6 – No built-in secondary – all indexes were custom-built like using supercolumn Cassandra 0.7 – new users flocked to the built-in secondary indexes pros – easy to use out of the box cons – not the same as SQL indexes but they look similar – reinforce…

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